jisuanji198509的博客

https://answers.ros.org/question/396439/setuptoolsdeprecationwarning-setuppy-install-is-deprecated-use-build-and-pip-and-other-standards-based-tools/

https://blog.youkuaiyun.com/u012348774/article/details/81559370问题描述在使用rosbag record 主题来保存bag包的时候，往往会生成以.bag.active为后缀的文件，而只有将之恢复成正常的以”.bag”为后缀的包，我们才能正常进行rosbag play等操作。解决方案：①切换到xxx.bag.active文件所在的目录下；②命令行输入rosbag reindex xxx.bag.active；③输入rosbag fix

https://blog.youkuaiyun.com/moX980/article/details/110316752【ROS】Ubuntu18.04安装ROS后初始化sudo rosdep init时出错“pkg_resources.DistributionNotFound: The ‘rosdep==0.20.0’ distribution was not found and is required by the application”出错信息：错误分析：这是因为ROS默认为python2，而